LS03 Series MEDER electronic Level Sensors with Magnetic Floats DESCRIPTION Standard liquid level sensor. The sensor has to be mounted horizontally for best results. Following materials are available: PP (Polypropylene) for water applications and dilute acids PA (Polyamide) for use in oil, gasoline (petrol) and brake fluid APPLICATIONS * Liquid container monitoring in household appliances, automotive applications, test and measurement, and control technology. The standard termination is a PVC cable with a cross section of 0.14 mm2 and a length of 500 mm. The cable can be modified on request. FEATURES MATERIALS * Depending on mounting position/movement direction, the sensor opens or closes with the rising, respectively the sinking liquid level * Different versions available for mounting from inside or from outside * High power switches available PA version Stem, nut Polyamide black Float Polyamide black Seal Nitrile rubber PP version Stem, nut Polypropylene white Float Polypropylene white Seal Nitrile rubber www.meder.com 298 open close open close MOVEMENT DIRECTION LS03 Series MEDER electronic Level Sensors with Magnetic Floats VERSIONS & DIMENSIONS M16 x 2.0 55.80.7 [2.1970.028] o 17.40.3 83.01.50 [3.2680.059] 8.0 [0.315] o 21.50.3 [0.8460.012] Standard * Mounting from inside, thread M16 x 2.0 * Insertion hole: o 16.5 mm * Sealing from inside with O-ring. 51 [0.20.04] 302 [1.1810.079] 50010 [19.6850.394] 55.80.7 [2.1970.028] o 21.50.3 [0.8460.012] 3.0 [0.118] 361.5 [1.4170.059] 51 [0.20.04] 302 [1.1810.079] 17.20.3 [0.6770.012] 83.01.50 [3.2680.059] M16 x 2.0 DL Type * Mounting from outside, thread M16 x 2.0 * Insertion hole: o 22 mm - 24mm * 12 mm wide sealing, suitable for low filling pressure * Wall thickness max. 5 mm 361.5 [1.4170.059] 50010 [19.6850.394] 12.0 [0.472] max. 5.0 [0.196] 2.0 [0.079] 50010 [19.6850.394] 5.0 [0.196] min. 4.0 [0.157] 80.001.5 [3.1500.059] 16.65 [0.656] 70.001.5 [2.7560.059] o 28.58 [1.125] GZ Type * Mounting from outside, tapered thread 1/2" (no sealing necessary) * Insertion hole: 1/2" thread o17.20.3 [0.6770.012] 361.5 [1.4170.059] 51 [0.20.04] 302 [1.1810.079] 55.80.7 [2.1970.028] o 17.200.3 [0.6770.012] o 21.50.3 [0.8460.012] 51 [0.20.04] 302 [1.1810.079] 50010 [19.6850.394] 6.35 [0.250] Thread 1/2" 14 NPT Tapered 361.5 [1.4170.059] * Mounting from outside, thread M16 x 2.0 * Insertion hole: o 22 mm * 5 mm narrow sealing, suitable for high filling pressure * Wall thickness min. 4 mm 83.01.50 [3.268+0.059] M16 x 2.0 DK Type [o0.6490.012] All dimensions in mm [inch] www.meder.com 299 LS03 Series MEDER electronic Level Sensors with Magnetic Floats CONTACT DATA All Data at 20 C Contact Ratings Switch Model Contact Form Conditions Switch 66 Form A Switch 85 Form A Min. Typ. Max. Min. Typ. Max. Units Switching Power Any DC combination of V & A not to exceed their individual max.`s 10 100 W Switching Voltage DC or peak AC 200 1000 V Switching Current DC or peak AC 0.5 1.0 A Carry Current DC or peak AC 1.25 2.5 A Static Contact Resistance w/ 0.5 V & 10 mA 150 150 m Dynamic Contact Resistance Measured w/ 0.5 V & 50 mA , 1.5 ms after closure 200 200 m Insulation Resistance across Contacts 100 volts applied 1010* 1011 Breakdown Voltage across Contact Voltage applied for 60 sec. min. 225 * 700 VDC Operation Time incl. Bounce Measured w/ 50 % overdrive 0.5 1.0 ms Release Time Measured w/ no coil suppression 0.1 0.1 ms Capacitance at 10 kHz cross contact 0.2 0.7 pF Environmental Data Shock Resistance 1/2 sinus wave duration 11 ms 50 50 g Vibration Resistance From 10 - 2000 Hz 20 20 g Ambient Temperature 10C/ minute max. allowable -20 90 -20 130 o C Stock Temperature 10C/ minute max. allowable -20 100 -55 130 o C Soldering Temperature 5 sec. dwell 260 o C 260 Please note: The indicated electrical data are maximum values and can vary downwards when using a more sensitive switch. * Insulation resistance of 1012 and breakdown voltage of 480 VDC is available. These ranges refer to the uncut / unmodified Reed Switches described in our Reed Switch section. Consult factory if more detail is required. www.meder.com 300 MEDER electronic LS03 Series Level Sensors with Magnetic Floats ORDER INFORMATION Series Version LS03 - Contact Form XX (Standard) Option / DL / DK - Switch Model Material Cable Length (mm) Termination XX - XX - XXX X PA, PP 500 * W 66, 85 1 Form A / GZ - 66, 85 66, 85 66, 85 * Other cable lengths available. Part Number Example LS03/DL - 1A66 - PA - 500 W DL is the version 1A is the contact form 66 is the switch model PA is the material 500 is the cable length (mm) W is the termination TERMINATION For wire and termination details please contact factory. W The cable cut length includes: 5 mm of wire stripped and tinned www.meder.com 301